Phloem Fiber
Trending Questions
Which are generally absent in the primary Phloem of Angiosperms?
Sieve tube cells
Companion cells
Bast fibres
Parenchyma
Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves
- Cotton, hemp, china rose, lady’s finger
- Cotton, hemp, china rose, brinjal
- Cotton, hemp, china rose, tobacco
- Cotton, hemp, china rose, rose
The commercial jute fibres are obtained from
Intercalary fibres
Xylem fibres
Phloem fibres
None of these
Which species of bacteria are used in the separation of fibers of jute?
- Sieve tube elements
- Companion cells
- Phloem parenchyma
- Phloem fibres
- Bast fibre from secondary xylem
- Bast fibres from primary xylem
- Bast fibres from secondary phloem
- Bast fibres from primary phloem
Below is a list of plant fibres. From which part of the plant these are obtained
(a) coir
(b) hemp
(c) cotton
(d) jute
Give the main functions of fibres.
- phloem
- pericarp
- xylem
- cortex
Which are generally absent in the primary Phloem of Angiosperms?
Sieve tube cells
Companion cells
Bast fibres
Parenchyma
- Bast fibre from secondary xylem
- Bast fibres from primary xylem
- Bast fibres from secondary phloem
- Bast fibres from primary phloem
- Epicarp
- Any part of fruit
- Endocarp
- Mesocarp
- Tiliaceae
- Sterculiaceae
- Malvaceae
- Euphorbiaceae
Jute is mainly composed of
xylem
secondary bast fibre
cortex
phloem
- Atactostele
- Protostele
- Dictyostele
- Stenotele
- Bast fibre from secondary xylem
- Bast fibre from secondary phloem
- Bast fibre from primary phloem
- Bast fibre from primary xylem
- Crotolaria juncea
- Gossypium herbaceum
- Hibiscus cannabinus
- Cassia occidentalis
- Cannabis sativa
- Crotalaria juncea
- Cocos nucifera
- Linum usitatissimum
- Bark fibres
- Phloem fibres
- Pericycle fibres
- Epidermal fibres
- Sieve tube elements
- Companion cells
- Phloem parenchyma
- Phloem fibres
38. (c) Which part of Jute plant have fibres?
- Pericarp
- Phloem
- Pericycle
- Testa
- Flax
- Jute
- Cotton
- Coir
- xylem fibres
- cortical fibres
- pith fibres
- secondary bast or phloem fibres